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All-optical 3R regeneration for DPSK signal based on a semiconductor optical amplifier scheme

This paper presents experimental demonstration of an all-optical 3 R (re-amplification, re-shaping, re-timing) regeneration scheme for differential phase-shift keying (DPSK) signals, which consists of a clock recovery module and a phase-regeneration module. The clock recovery module is based on a mo...

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Published in:Applied optics (2004) 2020-04, Vol.59 (12), p.3526
Main Authors: Mao, Yaya, Liu, Bo, Zhao, Delin, Sun, Tingting, Zhao, Lilong, Ullah, Rahat, Wu, Yongfeng
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cites cdi_FETCH-LOGICAL-c353t-7115c16d4353aedd2007f7133d60fd825405c746823951cb765122cf357516d93
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container_issue 12
container_start_page 3526
container_title Applied optics (2004)
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creator Mao, Yaya
Liu, Bo
Zhao, Delin
Sun, Tingting
Zhao, Lilong
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Wu, Yongfeng
description This paper presents experimental demonstration of an all-optical 3 R (re-amplification, re-shaping, re-timing) regeneration scheme for differential phase-shift keying (DPSK) signals, which consists of a clock recovery module and a phase-regeneration module. The clock recovery module is based on a mode-locked fiber laser, and the optical clock is extracted with low timing jitter of 29 ps from a degraded 10 Gb/s DPSK signal. The phase regenerator consists of a one-bit delay interferometer demodulation stage and a semiconductor optical amplifier in which cross-phase modulation and nonlinear polarization rotation occur simultaneously. The results show that, after 3 R regeneration, the receiver sensitivity is improved by more than 1.6 dB for a bit error rate of 1 E-9.
doi_str_mv 10.1364/AO.389952
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source OSA_美国光学学会数据库1
subjects Bit error rate
Clock recovery
Demodulation
Fiber lasers
Light amplifiers
Modules
Phase modulation
Phase shift keying
Regeneration
Semiconductor optical amplifiers
Timing jitter
Vibration
title All-optical 3R regeneration for DPSK signal based on a semiconductor optical amplifier scheme
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